. >> so that is grover norquist if you don't already know. you probably should because he is making a lot of tv appearances. that was piers morgan tonight -- last night. >>> his group, american for tax reform is behind that no-tax pledge that's signed by the majority of republicans in congress. but now a few high-profile members of the gop are openingly questioning their pledge and saying it may stand in the way of getting a fiscal cliff deal done. that's one side of the equation. in exchange, those republicans say, look, we'll back down. but not if we don't get something for it. we want some entitlement reform. here are the big three entitlements -- social security, medicaid, and medicare, combined they make up 43% of federal spending last year. joining me is john avalon, cnn contributor, senior political columnist for "newsweek" and "the daily beast. "and all around very smart person. you have a column out about this. it's great reading. a lot of math in it. tons of math. >> i was told there would be no math, but there's math. >> a chevy ch